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The Brentford Project is an ambitious Thames-side regeneration by Ballymore, comprising 876 new homes and approximately 14,000 m2 of retail space – including large retailers, family-owned businesses, a cinema and more. Developer Ballymore are responsible for some of Europe’s largest regeneration developments and this brownfield site has been reimagined while thoughtfully preserving several heritage buildings.
This project was completed by UKPS, which was fully integrated into the existing Last Mile group in March 2026. While the company name has been rebranded to Last Mile, the team, expertise, safety and commitment to quality service remain the same.
To connect to Scottish and Southern’s Electricity Network (SSEN), UK Power Solutions (UKPS) installed over 2km of off-site high voltage (HV) cable, across a challenging route, to connect to the nearby primary substation. This complex level of off-site work demanded meticulous detailed planning and execution to satisfy council requirements, combined with flexible site management when archaeologists discovered a Roman-age burial during works, which caused significant delays. Proactivity from us ensured that the off-site utility infrastructure works could continue whilst archaeologists dealt with the ancient graveyard.
The project required the construction of seven new substations to provide energy to support the large number of homes and commercial properties, including a 10 MVA HV substation connecting to SSEN’s distribution network. Two existing substations owned and operated by SSEN had to be relocated as part of the design with a further six substations to be installed and adopted by Last Mile Asset Management.
Although the development’s waterside location and proximity to the city centre presented challenges, our in-house design team created a bespoke design working collaboratively with SSEN to ensure cost-effective and efficient solutions were provided to Ballymore. Initial works included temporary substations to enable early construction, alongside the relocation of the existing substations. This was the biggest time constraint on the project, with swift action helping to set Ballymore’s development off on schedule.
We managed all permissions and permits during the six-month construction of the off-site cable extension, liaising with the council and SSEN to minimise any potential disruption to services or traffic during construction. The team oversaw all excavations, reinstatement, and road closures, simplifying the process for the developer.
On-site, the design of the buildings meant that the LV cables exiting the substation had to run at basement level. This required various level changes that created a difficult cable pull. Our team accounted for this in early stage planning to stop it from causing delays.
Throughout the project, we held weekly meetings with the developer to track progress and update the build programme. When archaeologists discovered a Roman burial, we adopted a flexible approach to minimise construction delays and limit the impact on costs.
The substation removals and the off-site works at The Brentford Project introduced unavoidable complications for the build programme and timeline. We addressed these complexities proactively, allowing the build to regain momentum and return to a predictable schedule. Phase one comprising 327 apartments is now complete, with phase two underway.
